1. You are here:
  2. Home
  3. >
  4. how to recover gold from aqua regia solution in south africa

how to recover gold from aqua regia solution in south africa

Feb 25 2010 · Then redissolve in aqua regia and drop a second time with a sulfite such as sodium metabisulfite sodium sulfite or SO2 If you do this right you should end up with at least 9995 Fine gold If you use urea to eliminate nitric however you could ...We are a professional mining machinery manufacturer, the main equipment including: jaw crusher, cone crusher and other sandstone equipment;Ball mill, flotation machine, concentrator and other beneficiation equipment; Powder Grinding Plant, rotary dryer, briquette machine, mining, metallurgy and other related equipment. which can crush all kinds of metal and non-metallic ore, also can be dry grinding and wet grinding.If you are interested in our products or want to visit the nearby production site, you can click the button below to consult us.Welcome to our factory to test machine for free!

Chat Online
  • Gold Ore Concentration Plant

    Gold Ore Concentration Plant

    Brand Name: Fote Machinery

    Application: Ore concentrate/separator plant

    Main Equipment : Jaw crusher, impact crusher, hammer crusher, flotation machine, classifier, ball mill, concentrator, etc.

    more
  • Toothed Roll Crusher

    Toothed Roll Crusher

    Feeding Size: ≤25-≤100mm

    Production Capacity: 5-100t/h

    Applied Materials: River gravel, iron ore, limestone, quartz, granite and other medium or hard ores and rocks.

    more
  • Coal Mill

    Coal Mill

    Feeding Size: <25mm

    Production Capacity: 8-43TPH

    Applied Materials: Coal, cement, ore, calcite, cement clinker, dolomite, clay, coal, barite,etc.

    more
  • Sawdust Dryer

    Sawdust Dryer

    Processing Capacity: 2.5-50TPH

    Application Area: industries of wood, slag, sand, construction materials, metallurgy, chemical engineering, coal, minerals, etc.

    Applied Materials: sawdust, wood chips, wood shavings, clay, limestone, ardealite, dry-mixed mortar, grain slag, coal slime, etc.

    more
  • Raw Mill

    Raw Mill

    Motor Power: 130-3550kw

    Total Weight: 25.8-476t

    Production Capacity: 4.5-210TPH

    more
  • High Efficiency Concentrator

    High Efficiency Concentrator

    Total Weight: 1.8–204.6t

    Charge Amount: 1.8-204.6t

    Processing Ability: 5.6–6250t/d

    more